Sanitation
| Fri 20 Feb 2026
Beijing, Feb. 20 -- CRRC Qingdao Sifang has applied Chinese patent for Smoke Sensing Probe Cleaning Device and Working Method Thereof. Feng Jiange, Li Pengda, Lu Sijun, Ji Chunbo, Liu Shiquan, Wang Jichao, Xu Zhiqiang and Qiu Yufu developed it.
The patent application number is CN202510962016 20250711. The patent publication n..